Unaudited Interim Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net earnings (loss)	$ 507	$ 209	$ 1,370	$ 538
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss)	(15)	(3)	(12)	(11)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(15)	5	16	(33)
Pension and postretirement benefits	0	0	(4)	0
Total other comprehensive income (loss), net of tax	(30)	2	0	(44)
Total comprehensive income (loss), net of tax	477	211	1,370	494
Comprehensive (income) loss attributable to noncontrolling interests	(1)	(2)	(4)	(6)
Comprehensive income (loss) attributable to Celanese Corporation	$ 476	$ 209	$ 1,366	$ 488